Sister of Trent Sweeney.
Distant cousin of Robert Vaughn.
She played the younger version of Amber Heard in The Ward (2010).
She filmed a kitschy 3D movie in Bulgaria called Spiders 3D (2013).
She earned a recurring role on the TV show Heroes (2006), which aired on NBC from 2006 to 2010.
She’s a trained MMA fighter and began training at the age of 14. Also, she competed in grappling back when she was still in high school.
She has studied entrepreneurship in the past.
She graduated as a class valedictorian and later went to a business school.
In 2019, Sweeney got to work with A-list Hollywood actors Brad Pitt and Leonardo DiCaprio in Once Upon a Time in Hollywood.
According to her, playing the role of Cassie in Euphoria helped her to evolve her style.
She’s the distant cousin of Robert Vaughn.
In 2019, Sweeney played the younger version of Amber Heard in The Ward.
In 2019, she appeared in the psychological thriller film, Clementine in the character of Lana, a rebellious young woman who starts a complicated relationship with the film’s protagonist character, Karen.
Sweeney portrayed the role of Holly in Jason Orley’s comedy film Big Time Adolescence in 2019.
In April 2022, Sydney was honored with the “Madame Figaro Rising Star Award” at the 2022 Canneseries Festival.
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